CN110286551B - Lens assembly of slide projector - Google Patents
Lens assembly of slide projector Download PDFInfo
- Publication number
- CN110286551B CN110286551B CN201910727455.6A CN201910727455A CN110286551B CN 110286551 B CN110286551 B CN 110286551B CN 201910727455 A CN201910727455 A CN 201910727455A CN 110286551 B CN110286551 B CN 110286551B
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- China
- Prior art keywords
- lens
- lens group
- box body
- hole
- fixedly connected
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to the technical field of lens assemblies and discloses a lens assembly of slide show equipment. This slide lens subassembly of slide projector equipment, including the box, bottom half and dead lever top fixed connection, the fixed plate has been cup jointed to the outer diapire of dead lever, the top fixed connection of fixed plate bottom and tripod, the left side fixed connection of box right side and first lens group. This slide lens subassembly of slide show equipment, through connecting device, including the lug, fixing bolt, the connecting rod, lens groove and buckle, lug and fixing bolt let camera lens and box be connected, the connecting rod can let and be connected between camera lens and the camera lens with the buckle, the lens groove can be in the camera lens inside different lenses in addition, make the projector can have multiple specification and function on the camera lens, the purpose that the lens that has reached individual specification closes the formation different specifications and functions, the problem that a camera lens only has a specification and function has been solved.
Description
Technical Field
The invention relates to the technical field of lens components, in particular to a lens component of slide show equipment.
Background
In the process of focusing a lens of a slide projector, focusing is generally performed by using a focusing device arranged on a lens cone; generally, a focusing device and a lens barrel are respectively provided with a screw hole, the focusing device and the screw hole of the lens barrel are fastened through a screw and can be matched and rotated with each other, and a projector lens generally utilizes the focusing device arranged on the lens barrel to focus in a focusing process; a lens has only one specification and function, and when other lenses with different specifications and functions are needed, the lens needs to be detached and replaced, so that great inconvenience is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the lens assembly of the slide show equipment, which has the advantages that the lenses with various specifications are combined to form different specifications and functions, and the like, and solves the problem that one lens only has one specification and function.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a slide lens subassembly of slide projector equipment, includes the box, bottom half and dead lever top fixed connection, the fixed plate has been cup jointed to the outer diapire of dead lever, the top fixed connection of fixed plate bottom and tripod, the left side fixed connection of box right side and first lens group, the through-hole has been seted up on the box right side, first lens group runs through the through-hole that the box was seted up and extends to inside the box, both ends all are provided with the lug about first lens group left side, lug and fixing bolt swing joint, the threaded through-hole has been seted up on the box right side, the lug sets up threaded hole, fixing bolt runs through the threaded through-hole that the box was seted up and extends to the screw hole that the lug was seted up, the lug passes through fixing bolt and box fixed connection.
The lens groove has been seted up to first lens group, the box right side is provided with the connecting rod, connecting rod right side and second lens group swing joint, the equal fixedly connected with buckle in both ends about the second lens group right side, buckle right side joint has the third lens group, both ends all with rubber block swing joint about the third lens group right side, the one end and the bull stick fixed connection of third lens group are kept away from to the rubber block, the one end and the pivot fixed connection of third lens group are kept away from to the bull stick, the axle sleeve has been cup jointed at the pivot both ends, the one end fixedly connected with camera lens protection device of bull stick is kept away from to the axle sleeve, one side fixedly connected with spring that the camera lens protection device is close to in the middle part of the bull stick, the one end and camera lens protection device left side.
Preferably, the bottom of the box body is provided with a through hole, the top of the fixing rod penetrates through the through hole formed in the box body and extends into the box body, and the fixing rod is fixedly connected with the box body through the through hole formed in the box body.
Preferably, the fixing plate is provided with a through hole, and the bottom of the fixing rod penetrates through the through hole in the fixing plate and is movably connected with the fixing plate.
Preferably, the outer wall of the right side of the connecting rod is provided with threads, the threads are arranged inside the left side of the second lens group and are matched with the threads arranged on the connecting rod, and the connecting rod is movably connected with the second lens group through the threads.
Preferably, the left upper end and the lower end of the third lens group are both provided with a clamping groove, and the buckle is clamped with the third lens group through the clamping groove formed in the third lens group.
Preferably, one end of the rubber block, which is far away from the third lens group, is provided with a hole groove, and the rotating rod penetrates through the hole groove formed in the rubber block and extends to the outside of the rubber block.
Compared with the prior art, the invention provides a lens assembly of slide show equipment, which has the following beneficial effects:
1. this slide lens subassembly of slide show equipment, through connecting device, including the lug, fixing bolt, the connecting rod, lens groove and buckle, lug and fixing bolt let camera lens and box be connected, the connecting rod can let and be connected between camera lens and the camera lens with the buckle, the lens groove can be in the camera lens inside different lenses in addition, make the projector can have multiple specification and function on the camera lens, the purpose that the lens that has reached individual specification closes the formation different specifications and functions, the problem that a camera lens only has a specification and function has been solved.
2. The lens assembly of the slide show equipment has the advantages that the lens protection device is required to be arranged in front of the lens through the spring, the rotating rod, the rubber block, the rotating shaft and the shaft sleeve, the size of the fixing port of the lens protection device can be controlled through the rotating shaft and the shaft sleeve on the left side of the lens protection device, after the size is controlled, the lens and the lens protection device can be connected and fastened through contraction of the spring, the lens protection device can protect lenses of different specifications, and the problem that the lens protection device can only protect one lens according to the specification is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of B of FIG. 1 according to the present invention.
Wherein: 1. a box body; 2. fixing the rod; 3. a fixing plate; 4. a tripod; 5. a first lens group; 6. a bump; 7. fixing the bolt; 8. a lens slot; 9. a connecting rod; 10. a second lens group; 11. buckling; 12. a third lens group; 13. a rubber block; 14. a lens protection device; 15. a rotating shaft; 16. a shaft sleeve; 17. a rotating rod; 18. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a lens assembly of a slide show device comprises a case 1, the bottom of the case 1 is fixedly connected with the top of a fixing rod 2, the bottom of the case 1 is provided with a through hole, the top of the fixing rod 2 penetrates through the through hole provided in the case 1 and extends into the case 1, the fixing rod 2 is fixedly connected with the case 1 through the through hole provided in the case 1, the outer bottom wall of the fixing rod 2 is sleeved with a fixing plate 3, the bottom of the fixing plate 3 is fixedly connected with the top of a tripod 4, the fixing plate 3 is provided with a through hole, the bottom of the fixing rod 2 penetrates through the through hole provided in the fixing plate 3 and is movably connected with the fixing plate 3, the right side of the case 1 is fixedly connected with the left side of a first lens group 5, the right side of the case 1 is provided with a through hole, the first lens group, lug 6 and fixing bolt 7 swing joint, threaded through-hole has been seted up on 1 right side of box, and lug 6 sets up threaded hole, and fixing bolt 7 runs through the threaded through-hole that box 1 was seted up and extends to the screw hole that lug 6 was seted up, and lug 6 passes through fixing bolt 7 and box 1 fixed connection.
The first lens group 5 is provided with a lens groove 8, the right side of the box body 1 is provided with a connecting rod 9, the right side of the connecting rod 9 is movably connected with the second lens group 10, the outer wall of the right side of the connecting rod 9 is provided with screw threads, the left side of the second lens group 10 is internally provided with screw threads, the screw threads are matched with the screw threads arranged on the connecting rod 9, the connecting rod 9 is movably connected with the second lens group 10 through screw threads, the upper and lower ends of the right side of the second lens group 10 are fixedly connected with a buckle 11, the right side of the buckle 11 is clamped with a third lens group 12, the upper and lower ends of the left side of the third lens group 12 are respectively provided with a clamping groove, the buckle 11 is clamped with the third lens group 12 through the clamping groove arranged on the third lens group 12, the upper and lower ends of the right side of the third lens group 12 are respectively movably connected, the bull stick 17 runs through the hole groove that the rubber block 13 seted up and extends to the outside of rubber block 13, the one end and the pivot 15 fixed connection of third lens group 12 are kept away from to the bull stick 17, axle sleeve 16 has been cup jointed at 15 both ends of pivot, the one end fixedly connected with camera lens protection device 14 of bull stick 17 is kept away from to axle sleeve 16, one side fixedly connected with spring 18 that the camera lens protection device 14 is close to in the middle part of the bull stick 17, the one end and the camera lens protection device 14 left side fixed connection of bull stick 17 are kept away from to spring 18.
When the projector is used, the lens is connected with the box body 1 through the convex block 6 and the fixing bolt 7, the connecting rod 9 and the buckle 11 can enable the lens to be connected with each other, the lens groove 8 can be formed in the lens in addition to different lenses, the projector can have various specifications and functions on the lens, a lens protection device 14 is needed in front of the lens, the left side of the lens protection device 14 is provided with a rotating shaft 15 and a shaft sleeve 16 through the rotating shaft 15, the size of a fixing opening of the lens protection device 14 can be controlled, after the size is controlled well, the lens and the lens protection device 14 can be connected and fastened through contraction of the spring 18, and the rotating rod 17 is prevented by the rubber block 13 from damaging the lens when rebounding.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A lens assembly of a slide projection apparatus, comprising a cabinet (1), characterized in that: the bottom of the box body (1) is fixedly connected with the top of the fixed rod (2), the outer bottom wall of the fixed rod (2) is sleeved with the fixed plate (3), the bottom of the fixed plate (3) is fixedly connected with the top of a tripod (4), the right side of the box body (1) is fixedly connected with the left side of the first lens group (5), the right side of the box body (1) is provided with a through hole, the first lens group (5) penetrates through the through hole formed in the box body (1) and extends into the box body (1), the upper end and the lower end of the left side of the first lens group (5) are respectively provided with a convex block (6), the convex blocks (6) are movably connected with fixed bolts (7), the right side of the box body (1) is provided with a threaded through hole, the convex blocks (6) are provided with a threaded hole, the fixed bolts (7) penetrate through the threaded through hole formed in, the lug (6) is fixedly connected with the box body (1) through a fixing bolt (7);
the lens protection device is characterized in that a lens groove (8) is formed in the first lens group (5), a connecting rod (9) is arranged on the right side of the box body (1), the right side of the connecting rod (9) is movably connected with the second lens group (10), the upper end and the lower end of the right side of the second lens group (10) are fixedly connected with a buckle (11), the right side of the buckle (11) is clamped with a third lens group (12), the upper end and the lower end of the right side of the third lens group (12) are movably connected with a rubber block (13), one end, far away from the third lens group (12), of the rubber block (13) is fixedly connected with a rotating rod (17), one end, far away from the third lens group (12), of the rotating rod (17) is fixedly connected with a rotating shaft (15), shaft sleeves (16) are sleeved at the two ends of the rotating shaft (15), one end, far away from the rotating rod (17), of the shaft sleeve (16) is fixedly connected with a lens protection device (, one end of the spring (18) far away from the rotating rod (17) is fixedly connected with the left side of the lens protection device (14).
2. A lens assembly of a slide projection apparatus according to claim 1, wherein: the box body (1) is provided with a through hole at the bottom, the top of the fixing rod (2) penetrates through the through hole formed in the box body (1) and extends into the box body (1), and the fixing rod (2) is fixedly connected with the box body (1) through the through hole formed in the box body (1).
3. A lens assembly of a slide projection apparatus according to claim 1, wherein: the fixing plate (3) is provided with a through hole, and the bottom of the fixing rod (2) penetrates through the through hole formed in the fixing plate (3) and is movably connected with the fixing plate (3).
4. A lens assembly of a slide projection apparatus according to claim 1, wherein: the outer wall of the right side of the connecting rod (9) is provided with threads, threads are arranged inside the left side of the second lens group (10) and are matched with the threads arranged on the connecting rod (9), and the connecting rod (9) is movably connected with the second lens group (10) through the threads.
5. A lens assembly of a slide projection apparatus according to claim 1, wherein: the clamping grooves are formed in the upper end and the lower end of the left side of the third lens group (12), and the buckle (11) is connected with the third lens group (12) in a clamping mode through the clamping grooves formed in the third lens group (12).
6. A lens assembly of a slide projection apparatus according to claim 1, wherein: the rubber block (13) is far away from one end of the third lens group (12) and is provided with a hole groove, and the rotating rod (17) penetrates through the hole groove formed in the rubber block (13) and extends to the outside of the rubber block (13).
Priority Applications (1)
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CN201910727455.6A CN110286551B (en) | 2019-08-07 | 2019-08-07 | Lens assembly of slide projector |
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CN201910727455.6A CN110286551B (en) | 2019-08-07 | 2019-08-07 | Lens assembly of slide projector |
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CN110286551A CN110286551A (en) | 2019-09-27 |
CN110286551B true CN110286551B (en) | 2021-02-12 |
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CN201910727455.6A Active CN110286551B (en) | 2019-08-07 | 2019-08-07 | Lens assembly of slide projector |
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CN110045480A (en) * | 2015-08-20 | 2019-07-23 | 佳能株式会社 | Lens barrel, lens driver and picture pick-up device |
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CN85100166A (en) * | 1985-04-01 | 1986-08-20 | 湖北省沙市市光学仪器厂 | The compound lens of projection three-dimensional film |
EP0316684A2 (en) * | 1987-11-17 | 1989-05-24 | Lasag Ag | Support for optical element |
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CN206369863U (en) * | 2016-12-28 | 2017-08-01 | 中山市超视界光学制品有限公司 | A kind of mobile phone shoots Macro Lens |
CN206906778U (en) * | 2017-03-24 | 2018-01-19 | 中山市沃顿照明科技有限公司 | A kind of portable shadow lamp of dustproof and waterproof |
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CN207833200U (en) * | 2017-12-27 | 2018-09-07 | 天津君邦科技有限公司 | A kind of camera multi-angled shooting lens supports |
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Effective date of registration: 20211224 Address after: 215000 room 9, 388 songjiagang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Dees Optoelectronic Technology (Suzhou) Co.,Ltd. Address before: 116000 1-3 / F, no.39-8-5, second life road, Dalian Economic and Technological Development Zone, Liaoning Province Patentee before: Dalian Mega Photoelectric Engineering Co.,Ltd. |